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e-lub [12.9K]
2 years ago
5

MATH HOMEWORKKKKKKKKKKKKKKKKKKKKKKKK

Mathematics
1 answer:
BaLLatris [955]2 years ago
6 0
20.9984 rounded = 21
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Steve can text 20 emojis in 24 seconds.At that rate,how many emojis can he text in 2 minutes and 48 seconds
Lelu [443]

Answer:140

Step-by-step explanation:

24/20=168/N

Cross product

24×n=168×20

24n=3360

n=3360/24

n=140

8 0
3 years ago
Enter the value that is missing
masha68 [24]
I think it’s 15.75. Because: 2•1.05=2.10. 5•1.05= 5.25. 20•1.05= 21.00. So, 15•1.05= 15.75.
3 0
3 years ago
Mara carried water bottles to the field to share with her team at halftime. The water bottles weighed a total of 60x2 + 48x + 24
ludmilkaskok [199]

For this case we have the following polynomial:

60x ^ 2 + 48x + 24

What we must do for this case is to factor the polynomial, so that we have:

1) The number of bottles

2) the weight of each bottle.

We have then:

12 (5x ^ 2 + 4x + 2)

Answer:

A factorization that could represent the number of water bottles and weight of each water bottle is:

12 (5x ^ 2 + 4x + 2)

5 0
3 years ago
Read 2 more answers
A jeweler had a fixed amount of gold to make bracelets and necklaces. The amount of gold in each bracelet is 6 grams and the amo
nikitadnepr [17]

Answer:

The jeweler made 11 bracelets and 7 necklaces.

Step-by-step explanation:

Given that a jeweler had a fixed amount of gold to make bracelets and necklaces, and the amount of gold in each bracelet is 6 grams and the amount of gold in each necklace is 16 grams, knowing that the jeweler used 178 grams of gold and made 7 more necklaces than bracelets, to determine a system of equations that could be used to determine the number of bracelets made and the number of necklaces made, the following mathematical reasoning should be considered:

(16 - 6) x 7 = 70

178 - 70 = 108

108/6 = 18

18 - 7 = 11

(11 x 6) + (7 x 16) = X

66 + 112 = X

178 = X

Thus, the jeweler made 11 bracelets and 7 necklaces.

4 0
2 years ago
20 POINTS! Please help, best answer will recessive brainliest answer points as well as 5 stars and a thank you. :)
Vitek1552 [10]

Answer:

3): 14

Step-by-step explanation:

The problem states that ABC and DEF are similar. Therefore, dsue to similar triangles, we have 7x/7=4/x, so x^2=4. Therefore, x=2 (because x cannot be negative). Therefore, AB = 7x = 7*2=14

6 0
3 years ago
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